9
ALM-2412 Typical Scattering Parameters at 25°C, Vdd = 2.85V, Idd = 9.0 mA
The S- and Noise Parameters are measured using the PCB described in Figures 6 and 7. The PCB material is 10 mils
Rogers
RO4350. Figure 23 shows the input and output reference planes. The circuit values, with the exception of L3,
are as indicated in Figure 6.
Freq
(GHz)
S11 S11 S21 S21 S21 S12 S12 S22 S22
(Mag) (Ang) (dB) (Mag) (Ang) (dB) (Ang) (Mag) (Ang)
0.3 0.9500 24.3080 -53.0103 0.0022 -64.3603 -83.4472 2.2928 0.9983 -38.2983
0.5 0.9810 -26.9915 -45.0767 0.0056 -101.7629 -72.7369 99.2046 0.9940 -63.9345
0.7 0.9574 -68.9018 -41.5411 0.0084 -144.0420 -71.2519 62.3471 0.9949 -88.9346
0.8 0.9309 -88.2339 -41.2477 0.0087 -160.1246 -75.4796 -10.3220 0.9843 -101.9066
0.8275 0.9252 -93.3423 -41.1302 0.0088 -160.2805 -77.8045 38.2306 0.9856 -105.4838
0.9 0.9177 -106.9481 -40.5723 0.0094 -172.7013 -79.0652 53.4588 0.9891 -114.5814
1 0.9250 -127.8097 -39.5941 0.0105 -176.9576 -76.2791 106.0042 0.9832 -127.2962
1.1 0.9353 -152.9168 -37.2798 0.0137 165.3683 -69.8529 145.2438 0.9754 -140.4467
1.2 0.9158 174.7925 -35.7549 0.0163 143.4377 -63.9935 128.3283 0.9802 -153.4140
1.3 0.7946 134.3360 -37.5214 0.0133 130.8836 -59.1849 111.7022 0.9706 -167.1344
1.4 0.5885 90.9147 -41.8159 0.0081 91.2687 -56.9362 73.8568 0.9634 177.1917
1.5 0.3586 51.1412 -40.0352 0.0100 169.4231 -55.0038 48.7376 0.8535 150.1499
1.575 0.3735 84.3481 13.5499 4.7588 90.4620 -22.3019 43.2091 0.2586 -12.6662
1.6 0.7476 65.6530 11.1269 3.6003 143.9489 -24.7551 91.0611 0.5585 -115.7049
1.7 0.4936 -18.1639 -49.2624 0.0034 48.9582 -56.9992 33.3754 0.9617 160.2494
1.8 0.4779 -46.7353 -55.2772 0.0017 75.0639 -55.9405 22.7742 0.9607 143.4297
1.885 0.4917 -65.8114 -48.8096 0.0036 118.6825 -55.2593 14.4221 0.9519 131.2363
1.9 0.4964 -68.7818 -47.9441 0.0040 118.5708 -55.2112 9.3947 0.9526 129.1638
2 0.5236 -87.1166 -43.6491 0.0066 116.3684 -54.2886 -2.7401 0.9544 116.1047
2.1 0.5578 -102.8903 -41.0295 0.0089 104.5683 -54.5318 -8.6652 0.9483 103.3151
2.2 0.5893 -117.1373 -39.2482 0.0109 93.1084 -53.6690 -18.1018 0.9440 90.2622
2.3 0.6208 -130.1776 -38.9962 0.0112 79.8502 -53.6796 -28.8668 0.9474 77.8684
2.4 0.6508 -142.4117 -37.8263 0.0128 66.6074 -53.4105 -37.4890 0.9366 64.5382
2.5 0.6799 -154.1330 -37.9962 0.0126 52.4394 -52.7064 -49.4043 0.9362 51.2358
3 0.7949 152.7103 -64.9944 0.0006 55.6408 -53.0296 -115.4632 0.8899 -21.9066
3.5 0.8681 105.4590 -23.9865 0.0632 79.4316 -50.5228 96.7559 0.7839 -128.2725
4 0.9137 61.2580 -15.5361 0.1672 -31.2094 -37.9448 -49.3136 0.6408 50.7479
4.5 0.9380 18.9691 -15.1307 0.1752 -135.1450 -35.0746 -143.1255 0.6172 -110.1415
5 0.9505 -22.2529 -17.3940 0.1350 147.3349 -35.9246 137.3279 0.6552 124.4230
5.5 0.9528 -63.5553 -21.1722 0.0874 70.6993 -38.2030 73.6058 0.6872 27.3421
6 0.9495 -105.3280 -29.2697 0.0344 45.4125 -41.7965 64.5211 0.6352 -19.4748
ALM-2412 Typical Performance Curves, R1 = 10k ohms (At 25°C unless speci ed otherwise)
Figure 16. Cell band rejection Vs Vdd Vs Temp (Idd=9mA) Figure 17. PCS band rejection Vs Vdd Vs Temp (Idd=9mA)
45
47
49
51
53
55
57
59
61
63
65
2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3
Vdd (V)
IREJL (dBc)
40
45
50
55
60
65
70
75
80
2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3
Vdd (V)
IREJU (dBc)
-40°C
25°C
85°C
-40°C
25°C
85°C
